The %files list indicates which files on the build
system are to be packaged. The list consists of one file per line. If a
directory is specified, by default all files and subdirectories will be
packaged.

%files
/etc/foo.conf
/sbin/foo
/usr/bin/foocmd

The %files list can be made specific to a particular
subpackage by adding the subpackage name, and optionally, the
-n option:

%files bar
%files -n bar

The subpackage name and usage of the -n option must
match those defined with the %package directive.

The %files list can also use the contents of a file as
the list of files to be packaged. This is done by using the
-f option, which is then followed by a filename: